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VILLASnode/include/villas/plugin.h

59 lines
1.7 KiB
C

/** Loadable / plugin support.
*
* @file
* @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
* @copyright 2014-2020, Institute for Automation of Complex Power Systems, EONERC
* @license GNU General Public License (version 3)
*
* VILLASnode
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************************/
#pragma once
#include <villas/common.hpp>
#include <villas/utils.hpp>
#include <villas/node_type.h>
#include <villas/format_type.h>
extern struct vlist plugins;
enum PluginType {
NODE,
FORMAT,
};
struct plugin {
const char *name;
const char *description;
enum PluginType type;
union {
struct format_type format;
struct vnode_type node;
};
};
/** Return a pointer to the plugin structure */
#define plugin(vt) ((struct plugin *) ((char *) (vt) - offsetof(struct plugin, format)))
#define plugin_name(vt) plugin(vt)->name
#define plugin_description(vt) plugin(vt)->description
void plugin_dump(enum PluginType type);
/** Find registered and loaded plugin with given name and type. */
struct plugin * plugin_lookup(enum PluginType type, const char *name);